diff --git a/lib/rules/block-scoped-var.js b/lib/rules/block-scoped-var.js
index 5a951276c59..ec597d5661e 100644
--- a/lib/rules/block-scoped-var.js
+++ b/lib/rules/block-scoped-var.js
@@ -22,7 +22,7 @@ module.exports = {
         schema: [],
 
         messages: {
-            outOfScope: "'{{name}}' used outside of binding context."
+            outOfScope: "'{{name}}' declared on line {{definitionLine}} column {{definitionColumn}} is used outside of binding context."
         }
     },
 
@@ -50,12 +50,22 @@ module.exports = {
         /**
          * Reports a given reference.
          * @param {eslint-scope.Reference} reference A reference to report.
+         * @param {eslint-scope.Definition} definition A definition for which to report reference.
          * @returns {void}
          */
-        function report(reference) {
+        function report(reference, definition) {
             const identifier = reference.identifier;
-
-            context.report({ node: identifier, messageId: "outOfScope", data: { name: identifier.name } });
+            const definitionPosition = definition.name.loc.start;
+
+            context.report({
+                node: identifier,
+                messageId: "outOfScope",
+                data: {
+                    name: identifier.name,
+                    definitionLine: definitionPosition.line,
+                    definitionColumn: definitionPosition.column + 1
+                }
+            });
         }
 
         /**
@@ -92,7 +102,7 @@ module.exports = {
                 variables[i]
                     .references
                     .filter(isOutsideOfScope)
-                    .forEach(report);
+                    .forEach(ref => report(ref, variables[i].defs.find(def => def.parent === node)));
             }
         }
 
diff --git a/tests/lib/rules/block-scoped-var.js b/tests/lib/rules/block-scoped-var.js
index f401332b116..175676b3a58 100644
--- a/tests/lib/rules/block-scoped-var.js
+++ b/tests/lib/rules/block-scoped-var.js
@@ -121,63 +121,345 @@ ruleTester.run("block-scoped-var", rule, {
         { code: "foo; class C { static {} } var foo; ", parserOptions: { ecmaVersion: 2022 } }
     ],
     invalid: [
-        { code: "function f(){ x; { var x; } }", errors: [{ messageId: "outOfScope", data: { name: "x" }, type: "Identifier" }] },
-        { code: "function f(){ { var x; } x; }", errors: [{ messageId: "outOfScope", data: { name: "x" }, type: "Identifier" }] },
-        { code: "function f() { var a; { var b = 0; } a = b; }", errors: [{ messageId: "outOfScope", data: { name: "b" }, type: "Identifier" }] },
-        { code: "function f() { try { var a = 0; } catch (e) { var b = a; } }", errors: [{ messageId: "outOfScope", data: { name: "a" }, type: "Identifier" }] },
+        {
+            code: "function f(){ x; { var x; } }",
+            errors: [{
+                messageId: "outOfScope",
+                data: {
+                    name: "x",
+                    definitionLine: 1,
+                    definitionColumn: 24
+                },
+                line: 1,
+                column: 15,
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function f(){ { var x; } x; }",
+            errors: [{
+                messageId: "outOfScope",
+                data: {
+                    name: "x",
+                    definitionLine: 1,
+                    definitionColumn: 21
+                },
+                line: 1,
+                column: 26,
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function f() { var a; { var b = 0; } a = b; }",
+            errors: [{
+                messageId: "outOfScope",
+                data: {
+                    name: "b",
+                    definitionLine: 1,
+                    definitionColumn: 29
+                },
+                line: 1,
+                column: 42,
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "function f() { try { var a = 0; } catch (e) { var b = a; } }",
+            errors: [{
+                messageId: "outOfScope",
+                data: {
+                    name: "a",
+                    definitionLine: 1,
+                    definitionColumn: 26
+                },
+                line: 1,
+                column: 55,
+                type: "Identifier"
+            }]
+        },
         {
             code: "function a() { for(var b in {}) { var c = b; } c; }",
-            errors: [{ messageId: "outOfScope", data: { name: "c" }, type: "Identifier" }]
+            errors: [{
+                messageId: "outOfScope",
+                data: {
+                    name: "c",
+                    definitionLine: 1,
+                    definitionColumn: 39
+                },
+                line: 1,
+                column: 48,
+                type: "Identifier"
+            }]
         },
         {
             code: "function a() { for(var b of {}) { var c = b; } c; }",
             parserOptions: { ecmaVersion: 6 },
-            errors: [{ messageId: "outOfScope", data: { name: "c" }, type: "Identifier" }]
+            errors: [{
+                messageId: "outOfScope",
+                data: {
+                    name: "c",
+                    definitionLine: 1,
+                    definitionColumn: 39
+                },
+                line: 1,
+                column: 48,
+                type: "Identifier"
+            }]
         },
         {
             code: "function f(){ switch(2) { case 1: var b = 2; b; break; default: b; break;} b; }",
-            errors: [{ messageId: "outOfScope", data: { name: "b" }, type: "Identifier" }]
+            errors: [{
+                messageId: "outOfScope",
+                data: {
+                    name: "b",
+                    definitionLine: 1,
+                    definitionColumn: 39
+                },
+                line: 1,
+                column: 76,
+                type: "Identifier"
+            }]
         },
         {
             code: "for (var a = 0;;) {} a;",
-            errors: [{ messageId: "outOfScope", data: { name: "a" }, type: "Identifier" }]
+            errors: [{
+                messageId: "outOfScope",
+                data: {
+                    name: "a",
+                    definitionLine: 1,
+                    definitionColumn: 10
+                },
+                line: 1,
+                column: 22,
+                type: "Identifier"
+            }]
         },
         {
             code: "for (var a in []) {} a;",
-            errors: [{ messageId: "outOfScope", data: { name: "a" }, type: "Identifier" }]
+            errors: [{
+                messageId: "outOfScope",
+                data: {
+                    name: "a",
+                    definitionLine: 1,
+                    definitionColumn: 10
+                },
+                line: 1,
+                column: 22,
+                type: "Identifier"
+            }]
         },
         {
             code: "for (var a of []) {} a;",
             parserOptions: { ecmaVersion: 6 },
-            errors: [{ messageId: "outOfScope", data: { name: "a" }, type: "Identifier" }]
+            errors: [{
+                messageId: "outOfScope",
+                data: {
+                    name: "a",
+                    definitionLine: 1,
+                    definitionColumn: 10
+                },
+                line: 1,
+                column: 22,
+                type: "Identifier"
+            }]
         },
         {
             code: "{ var a = 0; } a;",
             parserOptions: { ecmaVersion: 6, sourceType: "module" },
-            errors: [{ messageId: "outOfScope", data: { name: "a" }, type: "Identifier" }]
+            errors: [{
+                messageId: "outOfScope",
+                data: {
+                    name: "a",
+                    definitionLine: 1,
+                    definitionColumn: 7
+                },
+                line: 1,
+                column: 16,
+                type: "Identifier"
+            }]
         },
         {
             code: "if (true) { var a; } a;",
-            errors: [{ messageId: "outOfScope", data: { name: "a" }, type: "Identifier" }]
+            errors: [{
+                messageId: "outOfScope",
+                data: {
+                    name: "a",
+                    definitionLine: 1,
+                    definitionColumn: 17
+                },
+                line: 1,
+                column: 22,
+                type: "Identifier"
+            }]
         },
         {
             code: "if (true) { var a = 1; } else { var a = 2; }",
             errors: [
-                { messageId: "outOfScope", data: { name: "a" }, type: "Identifier" },
-                { messageId: "outOfScope", data: { name: "a" }, type: "Identifier" }
+                {
+                    messageId: "outOfScope",
+                    data: {
+                        name: "a",
+                        definitionLine: 1,
+                        definitionColumn: 37
+                    },
+                    line: 1,
+                    column: 17,
+                    type: "Identifier"
+                },
+                {
+                    messageId: "outOfScope",
+                    data: {
+                        name: "a",
+                        definitionLine: 1,
+                        definitionColumn: 17
+                    },
+                    line: 1,
+                    column: 37,
+                    type: "Identifier"
+                }
             ]
         },
         {
             code: "for (var i = 0;;) {} for(var i = 0;;) {}",
             errors: [
-                { messageId: "outOfScope", data: { name: "i" }, type: "Identifier" },
-                { messageId: "outOfScope", data: { name: "i" }, type: "Identifier" }
+                {
+                    messageId: "outOfScope",
+                    data: {
+                        name: "i",
+                        definitionLine: 1,
+                        definitionColumn: 30
+                    },
+                    line: 1,
+                    column: 10,
+                    type: "Identifier"
+                },
+                {
+                    messageId: "outOfScope",
+                    data: {
+                        name: "i",
+                        definitionLine: 1,
+                        definitionColumn: 10
+                    },
+                    line: 1,
+                    column: 30,
+                    type: "Identifier"
+                }
             ]
         },
         {
             code: "class C { static { if (bar) { var foo; } foo; } }",
             parserOptions: { ecmaVersion: 2022 },
-            errors: [{ messageId: "outOfScope", data: { name: "foo" }, type: "Identifier" }]
+            errors: [{
+                messageId: "outOfScope",
+                data: {
+                    name: "foo",
+                    definitionLine: 1,
+                    definitionColumn: 35
+                },
+                line: 1,
+                column: 42,
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "{ var foo,\n  bar; } bar;",
+            errors: [{
+                messageId: "outOfScope",
+                data: {
+                    name: "bar",
+                    definitionLine: 2,
+                    definitionColumn: 3
+                },
+                line: 2,
+                column: 10,
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "{ var { foo,\n  bar } = baz; } bar;",
+            parserOptions: { ecmaVersion: 6 },
+            errors: [{
+                messageId: "outOfScope",
+                data: {
+                    name: "bar",
+                    definitionLine: 2,
+                    definitionColumn: 3
+                },
+                line: 2,
+                column: 18,
+                type: "Identifier"
+            }]
+        },
+        {
+            code: "if (foo) { var a = 1; } else if (bar) { var a = 2; } else { var a = 3; }",
+            errors: [
+                {
+                    messageId: "outOfScope",
+                    data: {
+                        name: "a",
+                        definitionLine: 1,
+                        definitionColumn: 45
+                    },
+                    line: 1,
+                    column: 16,
+                    type: "Identifier"
+                },
+                {
+                    messageId: "outOfScope",
+                    data: {
+                        name: "a",
+                        definitionLine: 1,
+                        definitionColumn: 65
+                    },
+                    line: 1,
+                    column: 16,
+                    type: "Identifier"
+                },
+                {
+                    messageId: "outOfScope",
+                    data: {
+                        name: "a",
+                        definitionLine: 1,
+                        definitionColumn: 16
+                    },
+                    line: 1,
+                    column: 45,
+                    type: "Identifier"
+                },
+                {
+                    messageId: "outOfScope",
+                    data: {
+                        name: "a",
+                        definitionLine: 1,
+                        definitionColumn: 65
+                    },
+                    line: 1,
+                    column: 45,
+                    type: "Identifier"
+                },
+                {
+                    messageId: "outOfScope",
+                    data: {
+                        name: "a",
+                        definitionLine: 1,
+                        definitionColumn: 16
+                    },
+                    line: 1,
+                    column: 65,
+                    type: "Identifier"
+                },
+                {
+                    messageId: "outOfScope",
+                    data: {
+                        name: "a",
+                        definitionLine: 1,
+                        definitionColumn: 45
+                    },
+                    line: 1,
+                    column: 65,
+                    type: "Identifier"
+                }
+            ]
         }
     ]
 });